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Kerio Personal Firewall Program Execution Protection Feature Bypass
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Secunia Advisory:
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SA12468
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Release Date:
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2004-09-06
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Last Update:
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2005-02-22
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Popularity:
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12,209 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | Kerio Personal Firewall 2.x
Kerio Personal Firewall 3.x
Kerio Personal Firewall 4.x
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| CVE reference: | CVE-2004-1658
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Description:
Tan Chew Keong has reported a vulnerability in Kerio Personal Firewall, which can be exploited certain malicious processes to bypass certain security features provided by the product.
Kerio Personal Firewall includes an program execution protection feature, which allows users to restrict execution of programs on the system. However, it is possible for a malicious program to bypass this feature by restoring the running kernel's SDT (Service Descriptor Table) ServiceTable by writing directly to the "\Device\PhysicalMemory" section object.
Successful exploitation bypasses the protection and allows a malicious program to execute without prompting the user.
The vulnerability has been reported in version 4.0.16. Other versions may also be affected.
Solution:
Don't rely on this security feature and never run untrusted programs.
Provided and/or discovered by:
Tan Chew Keong
Changelog:
2005-02-22: Added CVE reference.
Original Advisory:
http://www.security.org.sg/vuln/kerio4016.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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